

A look at the 2025 NFL season using TPR
It's that time of the year again. With the 2025 NFL season firmly in our review mirrors, I finally got some time together to get the 2025 TPR (True Passer Rating) chart together. 66 quarterbacks made at least 1 start in the 2025 season, 7 more from the 2024 season, which saw 59. Much like last season, there are some surprises at just about every tier, which will be broken down in the following way: MVP Front Runner Quarterbacks Franchise Quarterbacks Solid Starting Quarterba

IamCogs
Mar 1435 min read


A look into the 2024 NFL season using TPR
I finally got around to finishing up the full on TPR (True Passer Rating) scores for every QB who made a start in the 2024 season. (the one caveat I would like to point out is that sacks were counted wholesale, PFF gives us QB at fault sack data but not on a per game basis, so the 2024 grades for TPR will be using raw sack data adjusted by the league average of QB at fault sacks. That number is calculated using this database. ) It is also worth noting that these rankings are

IamCogs
Nov 24, 202520 min read


Explaining the True Passer Rating: Addressing the Limitations of Legacy Metrics
**This article was edited 8/1/25 due to a parentheses error causing incorrect calculations.** **Edited once more to correct grammatical errors 3/5/26.** Nine months ago, Secret Base released a video titled " Correcting the NFL’s passer rating lie " which takes a wonderfully deep dive into how limiting the NFL Passer Rating truly is when it comes to accurately representing how well, or how poorly, a quarterback actually played. Its rigid constraints on maximum (158.3) and min

IamCogs
Jun 18, 20258 min read
